| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Chem | China national standards | MT | 1060.09 | USD | 20251206 |
| Dongying Huatai Chem | China national standards | MT | 1102.49 | USD | 20251206 |
| Shandong Qiangsen Chem | China national standards | MT | 1116.62 | USD | 20251206 |
| Shandong Jinling Chem | China national standards | MT | 1144.89 | USD | 20251206 |
| Dongying Huatai Chem | China national standards | MT | 1102.49 | USD | 20251206 |
| Shandong Langchem | China national standards | MT | 1215.56 | USD | 20251205 |
| Shandong Laya Chem | China national standards | MT | 975.28 | USD | 20251205 |
| Shandong Jinwen Chem | China national standards | MT | 1215.56 | USD | 20251205 |
| Shandong Laya Chem | China national standards | MT | 975.28 | USD | 20251205 |
| Shandong Qiangsen Chem | China national standards | MT | 1116.62 | USD | 20251205 |